Using The Gtpc Test Echo Command; Using The Gtpu Test Echo Command - Cisco ASR 5000 Series Administration Manual

Troubleshooting the Service

Using the GTPC Test Echo Command

This command tests the GGSN‟s ability to exchange GPRS Tunneling Protocol control plane (GTP-C) packets with the
specified SGSNs which can be useful troubleshooting and/or monitoring.
The test is performed by the system sending GTP-C echo request messages to the specified SGSN(s) and waiting for a
response.
Important:
configured.
The command has the following syntax:
Keyword/Variable
The following example displays a sample of this command‟s output showing a successful GTPC echo-test from a
GGSN service bound to address 192.168.157.32 to an SGSN with an address of 192.168.157.2.

Using the GTPU Test Echo Command

This command tests the GGSN‟s ability to exchange GPRS Tunneling Protocol user plane (GTP-U) packets with the
specified SGSNs which can be useful troubleshooting and/or monitoring.
The test is performed by the system sending GTP-U echo request messages to the specified SGSN(s) and waiting for a
response.
Important:
service is configured.
The command has the following syntax:
OL-22944-02
This command must be executed from within the context in which at least one GGSN service is
Description
Specifies the IP address of a Gn interface configured on the system.
NOTE: The IP address of the system‟s Gn interface must be bound to a configured GGSN
service prior to executing this command.
Specifies that GTP-C echo requests will be sent to all SGSNs that currently have sessions with
the GGSN service.
Specifies that GTP-C echo requests will be sent to a specific SGSN.
address of the SGSN receiving the requests.
This command must be executed from within the context in which at least one GGSN
Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄
Test Commands ▀
is the